188 A. 763 Hogan et al. v. Etna Concrete Block Company, Appellant. Supreme Court of Pennsylvania.October 2, 1936. November 23, 1936. Negligence — Occupier of premises — Toleration of trespass — Duty of care to children — Loaded cars on tracks. 1. Toleration of trespass for sufficient time gives rise to privilege which adds to […]